2 5-dihydroxycinnamic acid July 8, 2019 16 32 64 128 2 5 dihydroxycinnamic acid 2 4-dihydroxycinnamic acid 2 5-dihydroxyphenylacetic acid 2 5-dihydroxyterephtalic acid 2 5-dihydroxy-1 4-benzenedicarboxylic acid
